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K91.872 ICD-10-CM Code: Postprocedural seroma of a digestive system organ or structure following a digestive system procedure

Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.

Coding at a Glance

Tabular directives
7 Excludes2

Inpatient Payment Groups (MS-DRG)

Potential MS-DRG participation — not a DRG assignment.

MS-DRGs this diagnosis helps define, as principal or secondary, per the CMS ICD-10-CM/PCS MS-DRG Definitions Manual v43, Appendix B.

  • MS-DRG 919 — COMPLICATIONS OF TREATMENT WITH MCC (MDC 21)
  • MS-DRG 920 — COMPLICATIONS OF TREATMENT WITH CC (MDC 21)
  • MS-DRG 921 — COMPLICATIONS OF TREATMENT WITHOUT CC/MCC (MDC 21)

A diagnosis appearing in a group's logic does not by itself determine the DRG assigned to a stay; the grouper uses the full claim.

Coding instructions

Official Tabular Instructional Notes: the inclusion, exclusion and sequencing notes published for K91.872 in the official ICD-10-CM tabular list, quoted as published.

Notes without a marker are published on K91.872 itself; “inherited from” names the category or block whose note applies here.

Excludes2 — Not Included Here

Conditions not covered by this code, but which may be reported alongside it when both are present.

Source: inherited from K91

Coder workflow for K91.872

MedCoder structured workflow — derived from this code’s own official record

Documentation check

The provider’s diagnostic statement
Codes are assigned from the provider’s documented diagnosis, not from clinical criteria, test values or a medication list (Guidelines I.A.19).

Official instructions as workflow

  • Excludes2 — not part of K91.872(7 notes)

    Coding workflow: The conditions named in this note are not included in K91.872. When the record documents both, both may be reported; the note is a boundary, not a prohibition.

    CompareK94, K95, K28, K68.11, K52.0, K62.7

    See the official tabular notes · Guidelines I.A.12.b

Every row is derived from this code’s own record — its title, tabular notes, 7th-character family and same-category siblings — with fixed MedCoder wording; nothing is inferred about a patient. The official notes and guideline text are in the sections each row links to, and they control.

Code Overview

Postprocedural seroma of a digestive system organ or structure following a digestive system procedure is a billable ICD-10-CM diagnosis code (K91.872).

MedCoder summary Summary composed by MedCoder from this code's official ICD-10-CM record. The tabular instructional notes themselves appear verbatim below.

Indexed Clinical Terms (1)

Official source data — entries quoted as published, in the Index’s own lookup phrasing

Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code. These are alphabetic-index entries shown as the Index writes them — lookup phrasing, not necessarily the wording of a final diagnosis.

Official Coding Guidelines

No excerpt in the ICD-10-CM Official Guidelines names this code specifically. Its chapter carries only this chapter-wide note:

Chapter 11: Diseases of the Digestive System (K00-K95)

Reserved for future guideline expansion

Verify Before Coding

  • CC as a secondary diagnosis (FY2026). Can raise the stay's MS-DRG severity tier.

From the code registry, the Medicare Code Editor, and the MS-DRG Definitions Manual. Check it against a full claim in Claim Check.

Relationships & Classification

MedCoder structured relationships — computed from published CMS and AHRQ datasets

Other codes that name K91.872 or its code family, from the CMS ICD-10-CM tabular instructional notes. Tabular-note edges are stored at the code family level that carries each note.

Referenced by 1 Excludes2 note: T81 — Complications of procedures, not elsewhere classified (via K91.-).

These codes’ tabular lists name this diagnosis as distinct — both may be reported when both are documented.

MS-DRG Grouper Relationships (FY2026)

Potential MS-DRG participation — not a DRG assignment.

CC — Complication or Comorbidity. Reported as a secondary diagnosis, this code raises the stay's MS-DRG severity tier — except when the principal diagnosis is one of 76 clinically related codes on its CMS exclusion list.

Named in the grouper logic of 3 MS-DRGs: DRG 919 (MDC 21), DRG 920 (MDC 21), DRG 921 (MDC 21).

From the CMS MS-DRG Definitions Manual (Appendices B and C). Actual DRG assignment depends on the complete claim.

Clinical classification (AHRQ CCSR):DIG024 — Postprocedural or postoperative digestive system complication (default).

Clinical Classifications Software Refined (CCSR) for ICD-10-CM Diagnoses. Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality.

Related Codes

Same clinical process (MS-DRG)

Acts as CC — raises the severity of other admissions. CMS groups these diagnoses into one MS-DRG principal-diagnosis exclusion process — a CC/MCC on this list never raises severity when the principal diagnosis is also on it.

K57.81 — Diverticulitis of intestine, part unspecified, with perforation and abscess with bleeding, K57.91 — Diverticulosis of intestine, part unspecified, without perforation or abscess with bleeding, K57.93 — Diverticulitis of intestine, part unspecified, without perforation or abscess with bleeding, K62.5 — Hemorrhage of anus and rectum, K91.61 — Intraoperative hemorrhage and hematoma of a digestive system organ or structure complicating a digestive system procedure, K91.62 — Intraoperative hemorrhage and hematoma of a digestive system organ or structure complicating other procedure, K91.840 — Postprocedural hemorrhage of a digestive system organ or structure following a digestive system procedure, K91.841 — Postprocedural hemorrhage of a digestive system organ or structure following other procedure, K91.870 — Postprocedural hematoma of a digestive system organ or structure following a digestive system procedure, K91.871 — Postprocedural hematoma of a digestive system organ or structure following other procedure, K91.873 — Postprocedural seroma of a digestive system organ or structure following other procedure, K92.0 — Hematemesis, K92.1 — Melena, K92.2 — Gastrointestinal hemorrhage, unspecified, M96.89 — Other intraoperative and postprocedural complications and disorders of the musculoskeletal system, N98.1 — Hyperstimulation of ovaries, N98.2 — Complications of attempted introduction of fertilized ovum following in vitro fertilization, N98.3 — Complications of attempted introduction of embryo in embryo transfer, N98.8 — Other complications associated with artificial fertilization, N98.9 — Complication associated with artificial fertilization, unspecified, +55 more

Same clinical category (CCSR)

AHRQ's Clinical Classifications Software groups these diagnoses under the same clinical category (Postprocedural or postoperative digestive system complication).

K91.81 — Other intraoperative complications of digestive system, K91.82 — Postprocedural hepatic failure, K91.83 — Postprocedural hepatorenal syndrome, K91.840 — Postprocedural hemorrhage of a digestive system organ or structure following a digestive system procedure, K91.841 — Postprocedural hemorrhage of a digestive system organ or structure following other procedure, K91.850 — Pouchitis, K91.858 — Other complications of intestinal pouch, K91.86 — Retained cholelithiasis following cholecystectomy, K91.870 — Postprocedural hematoma of a digestive system organ or structure following a digestive system procedure, K91.871 — Postprocedural hematoma of a digestive system organ or structure following other procedure, K91.873 — Postprocedural seroma of a digestive system organ or structure following other procedure, K91.89 — Other postprocedural complications and disorders of digestive system, K94.00 — Colostomy complication, unspecified, K94.01 — Colostomy hemorrhage, K94.02 — Colostomy infection, K94.03 — Colostomy malfunction, K94.09 — Other complications of colostomy, K94.10 — Enterostomy complication, unspecified, K94.11 — Enterostomy hemorrhage, K94.12 — Enterostomy infection, +28 more

Contextual Map

Every relationship of K91.872 in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.

Run K91.872 with this related code in Claim Check

Hierarchy

Referenced by Excludes2 notes

  • T81 — Complications of procedures, not elsewhere classified[Excludes2](via K91.-): “intraoperative and postprocedural complications of specific body system (D78.-, E36.-, E89.-, G97.3-, G97.4, H59.3-, H59.-, H95.2-, H95.3, I97.4-, I97.5, J95, K91.-, L76.-, M96.-, N99.-)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2026

Clinical classification (CCSR)

MS-DRG Grouper

MDC crossing

  • MDC 21 — Injuries, Poisonings and Toxic Effects of Drugs[MDC crossing]: “Injuries, Poisonings and Toxic Effects of Drugs — the grouper's crossing between diagnoses and procedures: a principal diagnosis sets the MDC, and same-MDC procedures move the stay to its surgical DRGs. 32,029 same-MDC procedures group here; browse them on the MDC page.”— CMS MS-DRG Definitions Manual · FY2026

Index entries

  • Complication (s) (from) (of), postprocedural, seroma (of), digestive system, following procedure on digestive system[Index term]— CMS ICD-10-CM Index to Diseases and Injuries · icd10cm-fy2026

Nearest codes (31)

Change history

Sources for this page

Codes, titles, notes, index terms and mappings on this page are transcribed from the datasets below. Relationships MedCoder computed and text MedCoder wrote are labelled where they appear.

Code, title, tabular notes and index terms Official source data
CMS/CDC ICD-10-CM FY2026 tabular list, index and tables, effective October 1, 2025 Release, file and checksum · Publisher’s page
Coding guidelines Official source data
ICD-10-CM Official Guidelines for Coding and Reporting (FY2026), quoted by section Release, file and checksum · Publisher’s page
Claim edits Official source data
CMS Definitions of Medicare Code Edits — v43.1 (April 2026) Release, file and checksum · Publisher’s page
Inpatient payment groups Official source data
CMS MS-DRG Definitions Manual (incl. Appendix B diagnosis index, Appendix C CC/MCC list, Appendix E procedure index) and IPPS Final Rule tables — v43 Release, file and checksum · Publisher’s page
Change history and date-of-service validity Official source data
CMS ICD-10-CM release addenda, ingested release by release into the change ledger Release, file and checksum · Publisher’s page
Comparisons, relationships and the contextual map MedCoder structured relationship
Computed by MedCoder from the tabular notes and tables above; every derived relationship is marked as derived where it appears
Summary and FAQ answers MedCoder explanation
Written by MedCoder to explain the sources above: drafted with AI assistance, checked by a person against the release files, and labelled as MedCoder text where it appears. Not official text.

Labels on this page: Official source data · MedCoder structured relationship · MedCoder explanation. How to read the labels · All data sources and release dates

Change history

  • FY2017 — October 1, 2016
    Added to the code set
    Postprocedural seroma of a digestive system organ or structure following a digestive system procedure
    FY2017 changes

Nearest Codes in This Family

Official ICD-10-CM classifications closest to K91.872 in its code family, with their registry titles.

View all codes in the K91 family